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Merck

PHR1019

Benzyl alcohol

Pharmaceutical Secondary Standard; Certified Reference Material

Synonym(s):

Benzenemethanol

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About This Item

Linear Formula:
C6H5CH2OH
CAS Number:
100-51-6
Molecular Weight:
108.14
NACRES:
NA.24
PubChem Substance ID:
329823050
eCl@ss:
39023110
UNSPSC Code:
12352104
EC Number:
202-859-9
MDL number:
MFCD00004599
Beilstein/REAXYS Number:
878307

Key Documents

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InChI key

WVDDGKGOMKODPV-UHFFFAOYSA-N

InChI

1S/C7H8O/c8-6-7-4-2-1-3-5-7/h1-5,8H,6H2

SMILES string

OCc1ccccc1

grade

certified reference material, pharmaceutical secondary standard

agency

traceable to Ph. Eur. Y0000167, traceable to USP 1061901

vapor density

3.7 (vs air)

vapor pressure

13.3 mmHg ( 100 °C), 3.75 mmHg ( 77 °C)

API family

benzalkonium chloride

CofA

current certificate can be downloaded

autoignition temp.

817 °F

shelf life

~3 yr

technique(s)

HPLC: suitable, gas chromatography (GC): suitable

refractive index

n20/D 1.539 (lit.)

bp

203-205 °C (lit.)

mp

−16-−13 °C (lit.)

density

1.045 g/mL at 25 °C (lit.)

application(s)

pharmaceutical (small molecule)

format

neat

storage temp.

2-30°C

Quality Level

300

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General description

Pharmaceutical secondary standards for application in quality control, provide pharma laboratories and manufacturers with a convenient and cost-effective alternative to the preparation of in-house working standards.


Benzyl alcohol is used as a preservative in pharmaceutical preparations in concentration up to 2% and as a solubilizer in concentrations of 5%.

Application

Benzyl alcohol may be used as a pharmaceutical reference standard for the determination of the analyte in pharmaceutical formulations by chromatography and spectrophotometry.
These Secondary Standards are qualified as Certified Reference Materials. These are suitable for use in several analytical applications including but not limited to pharma release testing, pharma method development for qualitative and quantitative analyses, food and beverage quality control testing, and other calibration requirements.

Analysis Note

These secondary standards offer multi-traceability to the USP and EP (PhEur) primary standards, where they are available.

Other Notes

Find a digital Reference Material for this product available on our online platform ChemisTwin® for NMR. You can use this digital equivalent on ChemisTwin® for your sample identity confirmation and compound quantification (with digital external standard). An NMR spectrum of this substance can be viewed and an online comparison against your sample can be performed with a few mouseclicks. Learn more here and start your free trial.
This Certified Reference Material (CRM) is produced and certified in accordance with ISO 17034 and ISO/IEC 17025. All information regarding the use of this CRM can be found on the certificate of analysis.
To see an example of a Certificate of Analysis for this material enter LRAC1678 in the slot below. This is an example certificate only and may not be the lot that you receive.

pictograms

Exclamation mark
GHS07

signalword

Warning

Storage Class

10 - Combustible liquids

flash_point_f

213.8 °F - DIN 51758

flash_point_c

101 °C - DIN 51758

Hazard Classifications

Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Eye Irrit. 2 - Skin Sens. 1B

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Simultaneous spectrophotometric determination of piroxicam and benzyl alcohol in gel forms.
Goger NG, et al.
Chem. Anal. (Warsaw), 50(6), 1059-1059 (2005)
Simultaneous spectrophotometric determination of benzyl alcohol and diclofenac in pharmaceuticals using methods based on the first derivative of the optical density ratio.
Ghasemi J, et al.
Pharmaceutical Chemistry Journal, 39(12) (2005)
Full spectrum and selected spectrum based multivariate calibration methods for simultaneous determination of betamethasone dipropionate, clotrimazole and benzyl alcohol: Development, validation and application on commercial dosage form.
Darwish HW, et al.
Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy, 169, 50-57 (2016)
Simultaneous determination of bifonazole and benzyl alcohol in pharmaceutical formulations by reverse-phase HPLC.
Cudina OA, et al.
Chromatographia, 61(7-8), 415-418 (2005)
Luis E Santos-Figueroa et al.
Chemical Society reviews, 42(8), 3489-3613 (2013-02-13)
This review focuses on examples reported in the years 2010-2011 dealing with the design of chromogenic and fluorogenic chemosensors or reagents for anions.
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